Cohen, Yosef
Current rating: 1449
Record: 0-0 (GP) / 2-5 (professional)
| Pro Tour Chicago 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 79 | Krzywicki, Mike (1512) | Lost 0-2 | -181482 |
| 2extended | 97 | Polin, Justin (1466) | Won 2-1 | +181500 |
| 3extended | 74 | Van Ostenbridge, Ron (1500) | Lost 0-2 | -181482 |
| 4extended | 141 | Bouchaib, Messaoud (1539) | Lost 0-2 | -171465 |
| 5extended | 135 | Baehr, Kevin (1473) | Won 2-1 | +181483 |
| 6extended | 96 | Fleischman, Sean (1583) | Lost 1-2 | -161467 |
| 7extended | 110 | Kuczynski, Larry (1449) | Lost 0-2 | -181449 |
| average opponent: 1503record: 2-5 | new rating: 1449 | |||